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131166008 = 2316395751
BaseRepresentation
bin1111101000101…
…10111100111000
3100010210220221022
413310112330320
5232034303013
621003202012
73151615121
oct764267470
9303726838
10131166008
1168048a66
1237b16308
132123642c
14135c5048
15b7ae008
hex7d16f38

131166008 has 8 divisors (see below), whose sum is σ = 245936280. Its totient is φ = 65583000.

The previous prime is 131166001. The next prime is 131166017. The reversal of 131166008 is 800661131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131166001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8197868 + ... + 8197883.

It is an arithmetic number, because the mean of its divisors is an integer number (30742035).

Almost surely, 2131166008 is an apocalyptic number.

It is an amenable number.

131166008 is a deficient number, since it is larger than the sum of its proper divisors (114770272).

131166008 is a wasteful number, since it uses less digits than its factorization.

131166008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16395757 (or 16395753 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 131166008 is about 11452.7729393366. The cubic root of 131166008 is about 508.0897499888.

The spelling of 131166008 in words is "one hundred thirty-one million, one hundred sixty-six thousand, eight".

Divisors: 1 2 4 8 16395751 32791502 65583004 131166008